Closed-loop control test of the NASA/Army/MIT active twist rotor for vibration reduction

Journal of the American Helicopter Society

Volumn 50, Issue 2, 2005, Pages 178-194

  Shin, SangJoon ^a,c   Cesnik, Carlos E S ^a   Hall, Steven R ^b  

^a UNIVERSITY OF MICHIGAN   (United States)

^b Massachusetts Institute of Technology Cambridge   (United States)

^c Seoul National University   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

ACTUATORS; ALGORITHMS; CLOSED LOOP CONTROL SYSTEMS; IDENTIFICATION (CONTROL SYSTEMS); SYSTEM STABILITY; TRANSFER FUNCTIONS; VIBRATION CONTROL; VIBRATIONS (MECHANICAL);

ACTIVE TWIST ROTOR SYSTEM; CLOSED LOOP VIBRATION CONTROL; CYCLIC TWIST CONTROL;

HELICOPTER ROTORS;

EID: 19344374528     PISSN: 00028711     EISSN: None     Source Type: Journal    
DOI: 10.4050/1.3092854     Document Type: Article

References (34)

1. Shaw, J., Albion, N., Hanker, E. J., and Teal, R. S., "Higher Harmonic Control: Wind Tunnel Demonstration of Fully Effective Vibratory Hub Force Suppression," Journal of the American Helicopter Society, Vol. 31, (1), 1989, pp. 14-25.
2. Ham, N. D., "Helicopter Individual-Blade-Control Research at MIT 1977-1985," Vertica, Vol. 11, (1/2), 1987, pp. 109-122.
3. Molusis, J. A., Hammond, C. E., and Cline, J. H., "A Unified Approach to the Optimal Design of Adaptive and Gain Scheduled Controllers to Achieve Minimum Helicopter Rotor Vibration," Journal of the American Helicopter Society, Vol. 28, (2), 1983, pp. 9-18.
4. Hammond, C. E., "Wind Tunnel Results Showing Rotor Vibratory Loads Reduction Using Higher Harmonic Control Pitch," Journal of the American Helicopter Society, Vol. 28, (1), 1983, pp. 10-15.
5. Shaw, J., and Albion, N., "Active Control of the Helicopter Rotor for Vibration Reduction," Journal of the American Helicopter Society, Vol. 26, (3), 1981, pp. 32-39.
6. McHugh, F. J., and Shaw, J., "Helicopter Vibration Reduction with Higher Harmonic Blade Pitch," Journal of the American Helicopter Society, Vol. 23, (4), 1978, pp. 26-35.
7. Wood, E. R., Powers, R. W., Cline, J. H., and Hammond, C. E., "On Developing and Flight Testing a Higher Harmonic Control System," Journal of the American Helicopter Society, Vol. 30, (1), 1985, pp. 3-20.
8. Loewy, R., "Recent Developments in Smart Structures with Aeronautical Applications," Smart Materials and Structures, Vol. 6, 1997, pp. 11-42.
9. Friedmann, P. P., "The Promise of Adaptive Materials for Alleviating Aeroelastic Problems and Some Concerns," Conference on Innovation in Rotorcraft Technology, London, U.K., June 1997, 24-25.
10. Chopra, I., "Status of Application of Smart Structures Technologies to Rotorcraft Systems," Journal of the American Helicopter Society, Vol. 45, (4), 2000, pp. 228-252.
11. Giurgiutiu, V., "Recent Advances in Smart Material Rotor Control Actuation," AIAA Paper No. 2000-1709, AIAA/ASME/ASCE/ AHS/ASC 41st Structures, Structural Dynamics and Materials Conference, Atlanta, GA, April 2000.
12. Rodgers, "Development of an Integral Twist-Actuated Rotor Blade for Individual Blade Control," Ph.D. Thesis, Department of Aeronautics and Astronautics, Massachusetts Institute of Technology, October 1998.
13. Cesnik, C. E. S., Shin, S. J., Wilkie, W. K., Wilbur, M. L., and Mirick, P. H., "Modeling, Design, and Testing of the NASA/Army/MIT Active Twist Rotor Prototype Blade," American Helicopter Society 55th Annual Forum, Montreal, Canada, May 1999.
14. Prechtl, E. F., "Design and Implementation of a Piezoelectric Servo-Flap Actuation System for Helicopter Rotor Individual Blade Control," Ph.D. Thesis, Department of Aeronautics and Astronautics, Massachusetts Institute of Technology, Jan. 2000.
15. Depailler, G., and Friedmann, P. P., "Reduction of Vibrations due to Dynamic Stall in Helicopters using an Actively Controlled Flaps," AIAA Paper No. 2002-1431, AIAA/ASME/ASCE/AHS/ASC 43rd Structures, Structural Dynamics and Materials Conference, Denver, CO, April 2002.
16. Cesnik, C. E. S., and Shin, S. J., "On the Modeling of Integrally Actuated Helicopter Blades," International Journal of Solids and Structures, Vol. 38, (10-13), 2001, pp. 1765-1789.
17. Shin, S. J., "Design, Manufacturing and Testing of an Active Twist Rotor," S.M. Thesis, Department of Aeronautics and Astronautics, Massachusetts Institute of Technology, June 1999.
18. Wilbur, M. L., Yeager, W. T., Jr., Wilkie, W. K., Cesnik, C. E. S., and Shin, S. J., "Hover Testing of the NASA/Army/MIT Active Twist Rotor Prototype Blade," American Helicopter Society 56th Annual Forum, Virginia Beach, VA, May 2000.
19. Cesnik, C. E. S., Shin, S. J., and Wilbur, M. L., "Dynamic Response of Active Twist Rotor Blades," Smart Materials and Structrues, Special Issue on Rotorcraft Application, Vol. 10, 2001, pp. 62-76.
20. Shin, S. J., and Cesnik, C. E. S., "Integral Twist Actuation of Helicopter Rotor Blades for Vibration Reduction," Ph.D. Thesis, Department of Aeronautics and Astronautics, Massachusetts Institute of Technology, August 2001.
21. Wilbur, M. L., Mirick, P. H., Yeager, W. T., Jr., Langston, C. W., Cesnik, C. E. S., and Shin, S. J., "Vibratory Loads Reduction Testing of the NASA/Army/MIT Active Twist Rotor," Journal of the American Helicopter Society, Vol. 47, (2), 2002, pp. 123-133.
22. Shin, S. J., and Cesnik, C. E. S., "Forward Flight Response of the Active Twist Rotor for Helicopter Vibration Reduction," AIAA Paper No. 2001-1357, AIAA/ASME/ASCE/AHS/ASC 42nd Structures, Structural Dynamics and Materials Conference, Seattle, WA, April 2001.
23. Shin, S. J., and Cesnik, C. E. S., "Helicopter Vibration Reduction in Forward Flight using Blade Integral Twist Control," AIAA Paper No. 2002-1447, AIAA/ASME/ASCE/AHS/ASC 43rd Structures, Structural Dynamics and Materials Conference, Denver, CO, April 2002.
24. Wilbur, M. L., Yeager, W. T., Jr., and Sekula, M. K., "Further Examination of the Vibratory Loads Reduction Results from the NASA/Army/ MIT Active Twist Rotor Test," American Helicopter Society 58th Annual Forum, Montreal, Canada, June 2002.
25. Booth, E. R., and Wilbur, M. L., "Acoustic Aspects of Active Twist Rotor Control," American Helicopter Society 58th Annual Forum, Montreal, Canada, June 2002.
26. Wilkie, W. K., Wilbur, M. L., Mirick, P. H., Cesnik, C. E. S., and Shin, S. J., "Aeroelastic Analysis of the NASA/Army/MIT Active Twist Rotor," American Helicopter Society 55th Annual Forum, Montreal, Canada, May 25-27, 1999.
27. Bernhard, A. P. F., and Chopra, I., "Hover Test of a Mach-Scale Rotor Model with Active Blade Tips," Journal of the American Helicopter Society, Vol. 47, (4), 2002, pp. 273-284.
28. Wereley, N. M., and Hall, S. R., "Linear Time Periodic Systems: Transfer Functions, Poles, Transmission Zeros and Directional Properties," 1991 American Control Conference, Boston, MA, June 1991.
29. Nitzsche, F., "Laplace-Domain Approximation to the Transfer Functions of a Rotor Blade in Forward Flight," The Aeronautical Journal, Vol. 105, (1077), 2001, pp. 233-240.
30. Siddiqi, A., "Identification of the Harmonic Transfer Functions of a Helicopter Rotor," S.M. Thesis, Department of Aeronautics and Astronautics, Massachusetts Institute of Technology, March 2001.
31. Hall, S. R., and Wereley, N. M., "Performance of Higher Harmonic Control Algorithms for Helicopter Vibration Reduction," Journal of Guidance, Control and Dynamics, Vol. 16, (4), 1993, pp. 793-797.
32. Anonymous, ControlDesk Experiment Guide, dSPACE GmbH, Germany, 2001.
33. Shin, S. J., and Cesnik, C. E. S., "Helicopter Performance and Vibration Enhancement by Twist-Actauted Blades," AIAA Paper No. 2003-1357, AIAA/ASME/ASCE/AHS/ASC 44th Structures, Structural Dynamics and Materials Conference, Norfolk, VA, April 2003.
34. Prechtl, E. F., and Hall, S. R., "Closed-loop Vibration Control Experiments on a Rotor with Blade-mounted Actuation," AIAA/ASME/ ASCE/AHS/ASC 41st Structures, Structural Dynamics and Materials Conference, Atlanta, GA, April 2000.